| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.39 | 3.52 | -0.13 |
| Feb | 2.90 | 3.02 | -0.12 |
| Mar | 3.55 | 3.56 | -0.01 |
| Apr | 2.82 | 2.83 | -0.01 |
| May | 3.39 | 3.27 | 0.12 |
| Jun | 7.40 | 7.81 | -0.41 |
| Jul | 7.20 | 7.08 | 0.12 |
| Aug | 7.55 | 7.77 | -0.22 |
| Sep | 5.71 | 5.59 | 0.12 |
| Oct | 2.82 | 2.98 | -0.16 |
| Nov | 1.90 | 1.94 | -0.04 |
| Dec | 3.03 | 3.09 | -0.06 |
51.66 | 52.46 | -0.80 |